<template>
    <div class="container" @click="handleGallaryClick">
        <div class="wrapper">
             <swiper :options="swiperOption"> 
                <swiper-slide  v-for="(item,index) in imgs" :key="index">
                    <img class="gallary-img" :src="item">
                </swiper-slide>
                <!-- 分页 -->
                <div class="swiper-pagination"  slot="pagination"></div>
            </swiper>
        </div>
    </div>
</template>
<script>
export default {
    name:'CommonGallary',
    props:{
       imgs:{
            type:Array,
            default(){
                return[]
        }
       }
    },
    data() {
        return {
            swiperOption:{
                pagination:'.swiper-pagination',
                paginationType:'fraction',
                // observer 和 observeParents  swiper只要监听到自身和父级元素的DOM改变，就会自动刷新
                // 通过刷新，就能解决swiper宽度计算的问题
                observer:true,
                observeParents:true,

            }
        }
    },
    methods: {
        handleGallaryClick(){
            // 子组件向父组件传值
            this.$emit('close')
        }
    },
}
</script>
<style lang="stylus" scoped>
.container >>> .swiper-container
    overflow :inherit
.container
    display :flex
    flex-direction :column
    justify-content :center
    z-index :99
    position :fixed
    top:0
    left:0
    right:0
    bottom :0
    background-color :#000
    .wrapper
        height :0
        width :100%
        padding-bottom :100%
        .gallary-img
            width :100%
        .swiper-pagination
            color :#fff
            bottom :-1rem
</style>
